The rules around how households with solar panels use and sell excess energy stored on batteries could be tightened in a Queensland Government crackdown to ensure taxpayers do not foot a $1 billion bill.

Authorities knew a woman killed by her estranged husband on the Gold Coast was in "grave danger of being murdered", prompting questions about whether Queensland's justice system is failing to protect victims.

Paramedics are called several times to a party hosted by self-proclaimed Gold Coast playboy Travers Beynon, with complaints ranging from possible drug or alcohol related problems to cuts from a broken window and white-tailed spider bite.